Hãy tham khảo IELTS Academic Reading Sample 166 - Jumping spiders được chia sẻ dưới đây để giúp các bạn biết thêm cấu trúc đề thi như thế nào, rèn luyện kỹ năng giải bài tập và có thêm tư liệu tham khảo chuẩn bị cho kì thi sắp tới đạt điểm tốt hơn. | You should spend about 20 minutes on Questions 1-13 which are based on the Reading Passage below. Jumping spiders Peter Aldhons examines how Portia spiders catch their prey A For a stalking predator the element of surprise is crucial. And for jumping spiders that sneak onto other spiders webs to prey on their owners it can be the difference between having lunch and becoming it. Now zoologists have discovered the secret of these spiders tactics creeping forward when their prey s web is vibrating. B The fifteen known species of Portia jumping spiders are relatively small with adults being about two centimeters long that s smaller than the cap on most pens . They habitually stay in the webs of other spiders and in an area of these webs that is as out-of-the-way as possible. Portia spiders live mostly in tropical forests where the climate is hot and humid. They hunt a range of other spiders some of which could easily turn the tables on them. They will attack something about twice their own size if they are really hungry says Stimson Wilcox of Binghamton University in New York State. Wilcox and his colleague Kristen Gentile of the University of Canterbury in Christchurch New Zealand wanted to find out how Portia spiders keep the upper hand. C All jumping spiders have large eyes that look like binocular lenses and they function pretty much the same way. Most jumping spiders locate their prey visually and then jump and capture from one centimeter to over ten centimeters away. Only a few species of jumping spiders invade the webs of other spiders and the Portia spider is among them. Jumping spiders including Portia spiders prey on insects and other arthropods by stalking. Sometimes the spiders lure their victims by vibrating the web to mimic the struggles of a trapped insect. But many web-weaving spiders appear to be wise to these tricks so stalking is often a better strategy. Sometimes the researchers found Portia spiders take advantage of the vibrations created in the .
